Measuring the advance of support units with respect to external points of reference

Industry

CPC
E21D23/142

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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21DSHAFTS TUNNELS GALLERIES LARGE UNDERGROUND CHAMBERS E21D23/00Mine roof supports for step- by- step movement

Current Industry

E21D23/142Measuring the advance of support units with respect to external points of reference

Industries

Patents Grantslast 30 patents

Information Patent Grant
Method and device for monitoring operation of a mining machine unit
- Patent number 11,746,655
- Issue date Sep 5, 2023
- Caterpillar Inc.
- Euan Kirkhope
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for implementing a centralized control platform of hydraulic...
- Patent number 10,655,467
- Issue date May 19, 2020
- Taiyuan University of Technology
- Muqin Tian
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Control system for longwall face alignment
- Patent number 6,481,802
- Issue date Nov 19, 2002
- Tiefenbach Bergbautechnik GmbH
- Willy Kussel
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cutting apparatus for mining operations with automatic control
- Patent number 5,234,256
- Issue date Aug 10, 1993
- Tiefenbach GmbH
- Bayramali Demircan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus for the mining of mineral matter, especially coal
- Patent number 5,110,187
- Issue date May 5, 1992
- Bochumer Eisenhutte Heintzmann GmbH & Co. KG
- Peter Heintzmann
- E21 - EARTH DRILLING MINING
Information Patent Grant
Methods and apparatus for maintaining longwall face alignment
- Patent number 5,020,860
- Issue date Jun 4, 1991
- Consolidation Coal Company
- Stephen L. Bessinger
- E21 - EARTH DRILLING MINING
Information Patent Grant
Personnel detection and protection systems for use in underground m...
- Patent number 4,722,574
- Issue date Feb 2, 1988
- Coal Industry (Patents) Limited
- Derek K. Barham
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mine equipment
- Patent number 4,453,846
- Issue date Jun 12, 1984
- Coal Industry (Patents) Limited
- Rex Mullins
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mining apparatus
- Patent number 4,330,154
- Issue date May 18, 1982
- Dowty Mining Equipment Limited
- Robert G. Harris
- E21 - EARTH DRILLING MINING
Information Patent Grant
3397543
- Patent number 3,397,543
- Issue date Aug 20, 1968
- E21 - EARTH DRILLING MINING
Information Patent Grant
3392532
- Patent number 3,392,532
- Issue date Jul 16, 1968
- E21 - EARTH DRILLING MINING
Information Patent Grant
3392531
- Patent number 3,392,531
- Issue date Jul 16, 1968
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR DETERMINING THE POSITION OR SITUATION OF INSTALLATION CO...
- Publication number 20120091782
- Publication date Apr 19, 2012
- BUCYRUS EUROPE GMBH
- Johannes Wesselmann
- E21 - EARTH DRILLING MINING

Measuring the advance of support units with respect to external points of reference

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method and device for monitoring operation of a mining machine unit

Method for implementing a centralized control platform of hydraulic...

Control system for longwall face alignment

Cutting apparatus for mining operations with automatic control

Apparatus for the mining of mineral matter, especially coal

Methods and apparatus for maintaining longwall face alignment

Personnel detection and protection systems for use in underground m...

Mine equipment

Mining apparatus

3397543

3392532

3392531

Patents Applicationslast 30 patents

METHOD FOR DETERMINING THE POSITION OR SITUATION OF INSTALLATION CO...